// Copyright (c) 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ipc/ipc_platform_file_attachment_posix.h"

#include <utility>

namespace IPC {
namespace internal {

    PlatformFileAttachment::PlatformFileAttachment(base::PlatformFile file)
        : file_(file)
    {
    }

    PlatformFileAttachment::PlatformFileAttachment(base::ScopedFD file)
        : file_(file.get())
        , owning_(std::move(file))
    {
    }

    PlatformFileAttachment::~PlatformFileAttachment()
    {
    }

    MessageAttachment::Type PlatformFileAttachment::GetType() const
    {
        return TYPE_PLATFORM_FILE;
    }

    base::PlatformFile PlatformFileAttachment::TakePlatformFile()
    {
        ignore_result(owning_.release());
        return file_;
    }

    base::PlatformFile GetPlatformFile(
        scoped_refptr<MessageAttachment> attachment)
    {
        DCHECK_EQ(attachment->GetType(), MessageAttachment::TYPE_PLATFORM_FILE);
        return static_cast<PlatformFileAttachment*>(attachment.get())->file();
    }

} // namespace internal
} // namespace IPC
